Is that what you think it is? Yes, it is. It's a dorsal fin that goes right up the jacksie, essentially splitting you open so as to improve your weight distribution somehow:

New to the Essax saddle line, the 'Shark' features a central fin at the rear of the saddle, which assists the rider in evenly spreading their weight on the sit bones.

(White seems like a bad color choice for something that goes between your ass cheeks.)

Some of you might find this shocking, but as far as I'm concerned this saddle is the inevitable culmination of decades of dubious bicycle "innovation" and marketing. Thousand-dollar wheelsets, "beefy" bottom brackets, robust thru-axles, disc brakes, proprietary gravel bikes...all of this was merely a prelude, a romantic candlelight dinner, a way of softening you up and bending you over so that the bicycle industry can finally take you home and convince you to "do it in the butt."

Are you having trouble finding that perfect saddle? Is everything you try uncomfortable? Well, as it turns out, the problem with all of them is that they don't go inside of you:

"So many of us sit twisted on our saddles, I've heard of people going through ten different saddles and still not being satisfied with their seating position..."

In other words, until now cycling has been a poor substitute for anal play, but now you no longer have to choose between the two, which if nothing else is going to save a lot of people a great deal of time.

Is it uncomfortable?The fin seems at first sight an aggressive element that will hurt us when we are pedaling. But this is not like this, if the rider is well positioned on the saddle the fin is imperceptible. If we feel the fin than we know that we are not well seated on the asddle! Than we know we have moved away from our optimal point of support, this is the kinesthetic value of the SHARK.

By the way, did you notice that typo? That's right there on the manufacturer's website, and it's a Freudian slip that shows exactly what's on their mind:

Also, there's "much interest in England:"

Somehow I'm not surprised.

And if you've still got any reservations about sitting on this thing, you shouldn't, because it was invented by "a great mind" in "the cycle fitting world:"

"On first looks it's quite startling," added ICS organiser Phil Cavell. "But Iriberri is too great a mind in the cycle fitting world to ignore, it's a interesting idea."
Along with coaching, "cycle fitting" is perhaps the biggest racket going in the cycling world, and practitioners of both generally occupy a rung on the societal ladder between palm readers and pimps. I'd never heard of this Jon Iriberri character, but I looked him up, and I do agree he's got a lot of great ideas about bike fit, though most if not all of them involve the butt. For example, here he is subjecting someone to what looks to be some sort of hydraulic ass-derrick:

. If we feel the fin than we know that we are not well seated on the asddle!

don't know why wcrm is making fun of this. Makes perfect sense and it's just an analog to the real world. Like when I feel my leg being bitten off by a one of those fishy type sharks I know I'm not swimming in the proper body of water.

I'd love to buy a shark but just blew all my asddle money for this year on a Cambium C17. If I had only known.

robot is among humbsta. I think it plans on a secret meeting with leroy's dog. something about leroy's final days.

If you take another look at the photo of Jon Iriberri extracting the assaxe, you can see why Jon thinks the wedge isn't uncomfortable. His butt is about 400 percent larger than a normal human for a human his size.

Go way, way, waaaaay back in time to Brooks-style saddles as the common saddle type. One would see on high mileage saddles the sit-bone depressions and how the rider favored one sit bone, or didn't sit square on the saddle, or ....

For sure, everybody sits a little differently on their saddle. Does it matter? Every time? Every rider? No clue. Might it help in some cases resolve some biomechanical issue? Maybe.

getting more satisfaction from a bicycle seat was a couple of scenes from an old porn film entitled: It Happened in Hollywood. There was a dildo aspect to the bike seat that repeatedly thrust into whoever was sitting on the seat as they pedaled. FYI

And indeed, why not, for the ladies, the deluxe double-penetration model with retractable solar-powered vibrating Clitoral Titillator? Who needs the virtually useless male of the species? What a great future we live in!

Who was the world-class d̶o̶p̶e̶r̶ cyclist who u̶s̶e̶d̶ ̶t̶o̶ ̶r̶a̶c̶e̶,̶ ̶w̶h̶a̶t̶ ̶t̶h̶e̶ ̶s̶u̶s̶p̶e̶n̶s̶i̶o̶n̶ ̶i̶s̶ ̶o̶v̶e̶r̶?̶,̶ races in Yurp and was always sliding off the back of his time-t̶r̶a̶v̶e̶l̶i̶ng̶-trialing saddle...well that fella.

That fella right there, might find a more consistent position atop his aero perch what with the "tailstop" built right in.

According to statistics 40 % of the ladies are down with the back door. Of that 40 % roughly 70 % are not faithful to their men.So.....according to these numbers 30% of the female population will back up on that saddle. Or you. I like those odds. I am going to Wal Mart.

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Liz Hatch trained with an Essax all winter. I just pick that gem up on the EBAY (its not UCI* approved). Now to lightly mist it with warm tap water and gently scrub the fin with my toothbrush (yea...the one I am STILL using) and get my sniff on.........

The question of chamois cream arises. Anti-seize grease has those grippy micro-pearls, eh? Avoid fusion at all costs. If you've ever tried to extract a seized seat post from the seat tube you know what I mean.

You forgot to mention: IT WORKS BEST ON ALUMINUM ROAD BIKES WITH HIGH PRESSURE TIRES! After all, why would you want to absorb all that vibration with a carbon frame? Rough roads and potholes here they come.

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About Me

While I love cycling and embrace it in all its forms, I'm also extremely critical. So I present to you my venting for your amusement and betterment. No offense meant to the critiqued. Always keep riding!